JPH03120711A - Solid electrolytic capacitor and its manufacture - Google Patents

Solid electrolytic capacitor and its manufacture

Info

Publication number
JPH03120711A
JPH03120711A JP25848089A JP25848089A JPH03120711A JP H03120711 A JPH03120711 A JP H03120711A JP 25848089 A JP25848089 A JP 25848089A JP 25848089 A JP25848089 A JP 25848089A JP H03120711 A JPH03120711 A JP H03120711A
Authority
JP
Japan
Prior art keywords
external
lead
connection
solid electrolytic
leads
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP25848089A
Other languages
Japanese (ja)
Other versions
JP2901281B2 (en
Inventor
Makoto Hirano
誠 平野
Keiichi Endo
敬一 遠藤
Hisashi Nozaki
野崎 寿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Chemi Con Corp
Original Assignee
Nippon Chemi Con Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Chemi Con Corp filed Critical Nippon Chemi Con Corp
Priority to JP1258480A priority Critical patent/JP2901281B2/en
Publication of JPH03120711A publication Critical patent/JPH03120711A/en
Application granted granted Critical
Publication of JP2901281B2 publication Critical patent/JP2901281B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To improve soldering performance by a method wherein a connection between an element lead and an external lead of a capacitor element is embedded in mold resin of an outer package and the external lead is exposed outside the mold resin with a curve extending over a rim of the outer package to a side of the outer package. CONSTITUTION:Since a connection 10 between element leads 21, 22 and external leads 41, 42 is embedded in mold resin 8, it is insulated from the atmosphere by the mold resin 8 to be protected against moisture, impurities, etc. Since molding of the external leads 41, 42 is performed before connection with the element leads 21, 22, a stress due to molding of external connection terminals T1, T2 is not applied to the connection 10 and deterioration such as damage of the connection 10 during a manufacture process can be prevented for improving reliability of the connection 10 as well as a curve 44 is exposed on a side of an outer package 6 in a solid electrolytic capacitor 12 to function as the external connection terminals T1, T2 thereby improving soldering performance.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、樹脂封止を用いたチップ型の固体電解コン
デンサ及びその製造方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a chip-type solid electrolytic capacitor using resin sealing and a method for manufacturing the same.

〔従来の技術〕[Conventional technology]

従来、チップ型の固体電解コンデンサでは、例えば、第
4図の(A)及び(B)に示すように、コンデンサ素子
2の陽極側及び陰極側の素子り−ド21.22に外部リ
ード41.42を接続して合成樹脂から成る外装ケース
6に収納するとともに、その外装ケース6内にモールド
樹脂8を充填している。
Conventionally, in a chip type solid electrolytic capacitor, for example, as shown in FIGS. 4A and 4B, external leads 41. 42 are connected and housed in an exterior case 6 made of synthetic resin, and the exterior case 6 is filled with mold resin 8.

そして、外部リード41.42は、外装ケース6に充填
されたモールド樹脂8の端面側から外装ケース6の側面
側に折り曲げて外部接続用端子に成形されている。
The external leads 41 and 42 are bent from the end surface side of the molded resin 8 filled in the external case 6 to the side surface side of the external case 6 to form external connection terminals.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

ところで、この固体電解コンデンサでは、コンデンサ素
子2の各素子リード21.22と各外部リード41.4
2とを電気的に接続する接続部10がモールド樹脂8の
外部に置かれており、外部リード41.42を外部接続
用端子に成形加工する際に、素子リード21.22と外
部リード41、42との接続部10に相当大きなストレ
スが作用し、接続部10の接続強度の低下や破損等を生
じさせ、また、接続部10に加わる力がその近傍のモー
ルド樹脂8にストレスを加え、剥離や割れ等によって密
封性を低下させ、ひいては固体電解コンデンサの性能や
信顛性の低下を来すことになる。
By the way, in this solid electrolytic capacitor, each element lead 21.22 of the capacitor element 2 and each external lead 41.4
2 is placed outside the molded resin 8, and when the external leads 41, 42 are molded into external connection terminals, the element leads 21, 22 and the external leads 41, A considerably large stress acts on the connection part 10 with the connection part 42, causing a decrease in the connection strength of the connection part 10 and damage, and the force applied to the connection part 10 also applies stress to the molded resin 8 in the vicinity, resulting in peeling. The sealing performance is deteriorated due to cracking and cracking, which in turn causes a deterioration in the performance and reliability of the solid electrolytic capacitor.

また、素子リード21.22はアルミニウム等の非ハン
ダ性を持つ金属で形成され、外部リード41.42はハ
ンダ性に優れた金属で形成されるので、接続部10は異
種金属の結合部分を成している。このため、外気に触れ
、湿気や不純物等の作用によって酸化や腐食等を生じ易
く、ハンダフランクスの付着も無視することができない
Furthermore, since the element leads 21 and 22 are made of a non-solderable metal such as aluminum, and the external leads 41 and 42 are made of a metal that has excellent solderability, the connecting portion 10 forms a joint between dissimilar metals. are doing. For this reason, it is exposed to the outside air and is susceptible to oxidation and corrosion due to the effects of moisture, impurities, etc., and the adhesion of solder flanks cannot be ignored.

そこで、この発明は、コンデンサ素子の素子リードと外
部リードとの接続部の保護を図って信軌性を向上させた
固体電解コンデンサの提供を第1の目的とする。
Accordingly, a first object of the present invention is to provide a solid electrolytic capacitor in which the connection between the element lead and the external lead of a capacitor element is protected and reliability is improved.

また、この発明は、コンデンサ素子の素子リードと外部
リードとの接続部の保護とともに、外装ケースの位置決
めの簡略化を図って製造効率を高めた固体電解コンデン
サの製造方法の提供を第2の目的とする。
A second object of the present invention is to provide a method for manufacturing a solid electrolytic capacitor that improves manufacturing efficiency by protecting the connection between the element lead and external lead of a capacitor element and simplifying the positioning of the outer case. shall be.

〔課題を解決するための手段〕[Means to solve the problem]

(請求項1) 即ち、この発明の固体電解コンデンサは、第1の目的を
達成するため、コンデンサ素子(2)がら引き出されて
いる素子リード(21,22)と外部リード(41,4
2)との接続部(10)を前記コンデンサ素子とともに
外装ケース(6)内のモールド樹脂(8)内に埋め込み
、前記外部リードに前記外装ケースの縁部を跨いで露出
する湾曲部(44)を形成して外部接続用端子(T8、
T2)としたことを特徴とするものである。
(Claim 1) That is, in order to achieve the first object, the solid electrolytic capacitor of the present invention has element leads (21, 22) drawn out from the capacitor element (2) and external leads (41, 4).
2) is embedded in the molded resin (8) in the outer case (6) together with the capacitor element, and a curved part (44) is exposed to the external lead by straddling the edge of the outer case. to form external connection terminals (T8,
T2).

(請求項2) また、この発明の固体電解コンデンサの製造方法は、第
2の目的を達成するため、外部リード(41,42)に
外装ケース(6)の縁部に嵌め込む湾曲部(44)を形
成し、コンデンサ素子(2)の素子リード(21,22
)と前記外部リードとを接続した後、前記湾曲部を前記
外装ケースの縁部に嵌め込んで前記外装ケースに対して
前記コンデンサ素子の位置決めを行うことを特徴として
いる。
(Claim 2) In addition, in order to achieve the second object, the method for manufacturing a solid electrolytic capacitor of the present invention provides a curved portion (44) that is fitted into the outer lead (41, 42) to the edge of the outer case (6). ), and the element leads (21, 22) of the capacitor element (2) are formed.
) and the external lead are connected, the capacitor element is positioned with respect to the outer case by fitting the curved portion into the edge of the outer case.

〔作  用〕[For production]

(請求項1) このような構成とすれば、コンデンサ素子の素子リード
と外部リードとの接続部が外装ケース内のモールド樹脂
内に埋め込まれて保護され、また、外部リードは外装ケ
ースの内縁部から外装ケースの縁部を跨がって外装ケー
スの側面側に至る湾曲部を以てモールド樹脂外に露出す
るので、ハンダ性は性能の向上が図られる。
(Claim 1) With such a configuration, the connection part between the element lead of the capacitor element and the external lead is embedded in the molded resin in the outer case and protected, and the external lead is connected to the inner edge of the outer case. Since the solderability is exposed outside the mold resin through the curved portion extending from the edge of the outer case to the side surface of the outer case, the solderability is improved.

(請求項2) コンデンサ素子の素子リードに接続された外部リードに
湾曲部を形成したので、この湾曲部の間隔を外装ケース
の縁部の厚さと同等か僅かに狭く形成すれば、その縁部
に嵌合させることができる。
(Claim 2) Since a curved portion is formed on the external lead connected to the element lead of the capacitor element, if the interval between the curved portions is formed to be equal to or slightly narrower than the thickness of the edge of the outer case, the edge It can be fitted to

その湾曲部の間隔を狭くすれば、外部リードを形成する
素材が持つ弾力性が適当な保持力として作用する。した
がって、コンデンサ素子は、その素子リードに接続され
た外部リードを以て間接的に外装ケースの内部に位置決
めされる。
If the interval between the curved portions is narrowed, the elasticity of the material forming the external lead acts as an appropriate holding force. Therefore, the capacitor element is indirectly positioned inside the outer case through the external lead connected to the element lead.

そこで、コンデンサ素子が位置決めされた外装ケース内
にモールド樹脂を充填すれば、位置決めされた状態でコ
ンデンサ素子が外装ケース内に固定されるとともに、封
止される。そして、コンデンサ素子は外部リードを以て
外装ケースに固定されているので、充填されたモールド
樹脂による浮力や充填時の圧力作用を受けて移動するこ
ともなく、十分な位置精度が得られる。
Therefore, by filling the exterior case in which the capacitor element is positioned with molding resin, the capacitor element is fixed within the exterior case in the positioned state and is sealed. Since the capacitor element is fixed to the exterior case with external leads, it does not move due to the buoyancy of the filled mold resin or the pressure effect during filling, and sufficient positional accuracy can be obtained.

それゆえに、コンデンサ素子の位置決めの簡略化ととも
に、位置決め精度が高められ、固体電解コンデンサの製
造効率の向上とともに、外観形状の均一化も図られる。
Therefore, the positioning of the capacitor element is simplified, the positioning accuracy is improved, the manufacturing efficiency of the solid electrolytic capacitor is improved, and the external shape is made uniform.

〔実 施 例〕〔Example〕

以下、この発明を図面に示した実施例を参照して詳細に
説明する。
Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.

第1図は、この発明の固体電解コンデンサ及びその製造
方法の一実施例を示す。
FIG. 1 shows an embodiment of the solid electrolytic capacitor of the present invention and its manufacturing method.

第1図の(A)に示すように、コンデンサ素子2には、
例えば、円柱状を成す固体コンデンサ素子が用いられ、
その端面には陽極側及び陰極側の素子リード21.22
が引き出されている。この素子リート21.22は円柱
状を成し、その端面が溶接面に設定されている。
As shown in FIG. 1(A), the capacitor element 2 includes
For example, a solid capacitor element having a cylindrical shape is used,
On its end face are element leads 21 and 22 on the anode side and cathode side.
is being drawn out. The element leads 21 and 22 have a cylindrical shape, and the end faces thereof are set as welding surfaces.

そして、素子リード21.22に対応して外部接続用端
子を成す外部リード41.42が形成される。各外部リ
ード41.42はハンダ付は可能な金属で形成され、又
は任意の金属表面にハンダ伺は可能な金属層を備えたも
のであり、各外部リード41.42には、コンデンサ素
子2の端面側でフラット部43が形成されているととも
に、コンデンサ素子2を収納すべき外装ケース6(第1
図の(C))に対応した湾曲部44が形成されている。
External leads 41.42, which serve as external connection terminals, are formed corresponding to the element leads 21.22. Each external lead 41 , 42 is made of a metal that can be soldered, or has a metal layer that can be soldered on any metal surface, and each external lead 41 , 42 has a metal layer that can be soldered. A flat portion 43 is formed on the end surface side, and an outer case 6 (first
A curved portion 44 corresponding to (C) in the figure is formed.

湾曲部44の間隔及びその深さは、外装ケース6に対応
して形成される。そして、実施例では、各外部リード4
1.4.2を独立したものとしているが、一つのリード
フレームに複数の外部リード41.42を打抜き加工し
た後、湾曲部44を成形加工することは、製造効率を高
める上で有効である。
The spacing and depth of the curved portions 44 are formed to correspond to the outer case 6. In the embodiment, each external lead 4
Although 1.4.2 is treated as an independent item, it is effective to form the curved portion 44 after punching a plurality of external leads 41 and 42 into one lead frame in order to increase manufacturing efficiency. .

次に、第1図の(B)に示すように、コンデンサ素子2
の各素子リード21.22に各外部り−ド41.42を
溶接等の固着手段によって固着するとともに、電気的に
接続され、10はその接続部である。
Next, as shown in FIG. 1(B), the capacitor element 2
Each external lead 41, 42 is fixed to each element lead 21, 22 by a fixing means such as welding, and is electrically connected, and 10 is a connecting portion thereof.

次に、第1図の(C)に示すように、絶縁性を持つ合成
樹脂によって外装ケース6を形成する。
Next, as shown in FIG. 1C, the outer case 6 is formed from a synthetic resin having insulation properties.

この場合、角筒状を成す外装ケース6が用いられており
、一つの側壁60には、外部リード41.42の湾曲部
44に対応するリード固定用凹部61.62が形成され
ている。各リード固定用凹部61.62には、外部リー
ド41.42を密着させるため、各外部リード41.4
2を固定する部分の絶縁性が不可欠であるが、外装ケー
ス6を金属製とし、外部リード41.42との密着部分
のみを局所的に絶縁するようにしてもちよい。
In this case, a rectangular cylindrical exterior case 6 is used, and one side wall 60 is formed with lead fixing recesses 61.62 corresponding to the curved portions 44 of the external leads 41.42. Each external lead 41.4 is provided in each lead fixing recess 61.62 in order to bring the external lead 41.42 into close contact with the lead fixing recess 61.62.
Although it is essential to insulate the portion where the external leads 41 and 2 are fixed, the outer case 6 may be made of metal and only the portions that are in close contact with the external leads 41 and 42 may be locally insulated.

そして、この外装ケース6の内部中央へのコンデンサ素
子2の位置決め精度を高めるには、外装ケース6の大き
さと外部リード41.42の接続部10からの湾曲部4
4の位置との相対的な関係を考慮することが必要である
。したがって、接続部10と湾曲部44との位置を制御
することで、任意の大きさのコンデンサ素子2及び外装
ケース6に対応し、外装ケース6におけるコンデンサ素
子2の位置精度を高めることができる。
In order to improve the positioning accuracy of the capacitor element 2 in the center of the exterior case 6, the size of the exterior case 6 and the curved portion 4 from the connection part 10 of the external leads 41 and 42 must be adjusted.
It is necessary to consider the relative relationship with position 4. Therefore, by controlling the positions of the connecting portion 10 and the curved portion 44, it is possible to accommodate any size of capacitor element 2 and exterior case 6, and improve the positional accuracy of the capacitor element 2 in the exterior case 6.

次に、第1図の(D)に示すように、外装ケース6の内
部にコンデンサ素子2を収納するとともに、リード固定
用凹部61.62に外部リート′41.42の湾曲部4
4を被せるようにして嵌め込む。湾曲部44の間隔をリ
ード固定用四部61.62の厚さと同等か僅かに狭く形
成すれば、素材が持つ弾力性によって湾曲部44に適当
な保持力が得られ、第2図に示すように、コンデンサ素
子2は外装ケース6内に間接的に位置決めされ、かつ固
定される。
Next, as shown in FIG. 1(D), the capacitor element 2 is housed inside the exterior case 6, and the curved portion 4 of the external lead '41.42 is placed in the lead fixing recess 61.62.
Insert it so that it covers 4. If the distance between the curved parts 44 is made equal to or slightly narrower than the thickness of the four lead fixing parts 61 and 62, an appropriate holding force can be obtained for the curved parts 44 due to the elasticity of the material, as shown in FIG. , the capacitor element 2 is indirectly positioned and fixed within the outer case 6.

次に、第1図の(E)に示すように、外装ケース6の内
部に適当な量のモールド樹脂8を注入すれば、外装ケー
ス6内に充填されたモールド樹脂8内にコンデンサ素子
2が埋め込まれ、第3図に示すように、独立した固体電
解コンデンサ12として完成する。また、各外部リード
41.42の湾曲部44から端部に至る部分は、フェイ
スボンディング用の外部接続用端子T、 、T2として
用いられる。
Next, as shown in FIG. 1(E), by injecting an appropriate amount of mold resin 8 into the exterior case 6, the capacitor element 2 is formed in the mold resin 8 filled in the exterior case 6. Embedded, the solid electrolytic capacitor 12 is completed as an independent solid electrolytic capacitor 12, as shown in FIG. Further, the portions of each external lead 41, 42 from the curved portion 44 to the end portion are used as external connection terminals T, , T2 for face bonding.

以上の構成とすれば、コンデンサ素子2の素子リード2
1.22に接続された外部リード41.42の湾曲部4
4を以て外装ケース6に位置決めされるので、位置決め
処理が容易になり、固体電解コンデンサ12の製造効率
が高められる。
With the above configuration, the element lead 2 of the capacitor element 2
Curved portion 4 of external lead 41.42 connected to 1.22
4 to position the solid electrolytic capacitor 12 in the outer case 6, the positioning process becomes easy and the manufacturing efficiency of the solid electrolytic capacitor 12 is improved.

また、素子リード21.22及び外部リード41.42
間の接続部10はモールド樹脂8内に埋め込まれるので
、モールド樹脂8によって外気と遮断され、湿気や不純
物等から保護される。さらに、外部リード41.42の
成形加工は素子リード21.22との接続前に行われて
いるので、外部接続用端子TI、T2の成形処理のため
のストレスが接続部10に加わることがなく、製造途上
における接続部10の損傷等の低下を防止でき、接続部
10の信頼性が高められるとともに、その9 0 形状の均一化が図られ、製品の品位が高められる。
In addition, element leads 21, 22 and external leads 41, 42
Since the connecting portion 10 between them is embedded in the mold resin 8, it is isolated from the outside air by the mold resin 8 and is protected from moisture, impurities, and the like. Furthermore, since the external leads 41 and 42 are molded before being connected to the element leads 21 and 22, no stress is applied to the connection portion 10 due to the molding process of the external connection terminals TI and T2. This prevents deterioration such as damage to the connecting portion 10 during the manufacturing process, increases the reliability of the connecting portion 10, and makes the shape of the connecting portion 10 uniform, thereby improving the quality of the product.

また、この固体電解コンデンサ12では、湾曲部44が
外装ケース6の端面側に露出しており、外部接続用端子
T、 、T、とじて機能するので、ハンダ付は性能が高
められる。
In addition, in this solid electrolytic capacitor 12, the curved portion 44 is exposed on the end face side of the outer case 6 and functions as the external connection terminals T, , T, so that soldering performance is improved.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、この発明によれば、次のような効
果が得られる。
As explained above, according to the present invention, the following effects can be obtained.

(a)  この発明の固定電解コンデンサによれば、コ
ンデンサ素子の素子リードと外部リードとの接続部がモ
ールド樹脂内に埋め込まれて外気から遮断されて保護さ
れ、その安定化が図られるとともに、外部リードに形成
した湾曲部を外装ケースの端面側に露出させているので
、ハンダ付は性能を高めることができる。
(a) According to the fixed electrolytic capacitor of the present invention, the connection part between the element lead of the capacitor element and the external lead is embedded in the molded resin and is protected from the outside air, thereby stabilizing it and protecting it from the outside air. Since the curved portion formed on the lead is exposed on the end face side of the outer case, performance can be improved by soldering.

(b)  この発明の固体電解コンデンサの製造方法に
よれば、コンデンサ素子の素子リードと外部リードとの
接続部のモールド樹脂による保護及びその安定化を図っ
た固体電解コンデンサを製造でき、しかも、外部リード
に形成された湾曲部を以て外装ケース内にコンデンサ素
子を位置決めすることができ、固体電解コンデンサの外
観形状の均一化とともに、製造効率を高めることができ
る。
(b) According to the method for manufacturing a solid electrolytic capacitor of the present invention, it is possible to manufacture a solid electrolytic capacitor in which the connection portion between the element lead and the external lead of the capacitor element is protected and stabilized by the molded resin, and the external The capacitor element can be positioned within the exterior case using the curved portion formed on the lead, and the external shape of the solid electrolytic capacitor can be made uniform and manufacturing efficiency can be improved.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの発明の固体電解コンデンサ及びその製造方
法の一実施例を示す斜視図、 第2図は第1図のCD)の■−■線断面図、第3図は第
1図の(E)の■−■線断面図、第4図は従来の固体電
解コンデンサを示し、(A)はその斜視図、(B)はそ
のIVB  IVB線断面図である。 2・・・コンデンサ素子 21.22・・・素子リード 41.42・・・外部リード 44・・・湾曲部 6・・・外装ケース 10・・・接続部 12・・・固体電解コンデンサ TI、T2  ・・・外部接続用端子 1 2 第2図 (第1図(D)の■−■線断面) 第3図 (第1図(B)のI[l−m線断面) 第4図 (従来の固体電解コンデンサ)
FIG. 1 is a perspective view showing an embodiment of the solid electrolytic capacitor and method for manufacturing the same according to the present invention, FIG. 2 is a sectional view taken along the line ■-■ of CD in FIG. 4 shows a conventional solid electrolytic capacitor, (A) is a perspective view thereof, and (B) is a sectional view taken along line IVB-IVB of E). 2... Capacitor element 21.22... Element lead 41.42... External lead 44... Curved part 6... Exterior case 10... Connection part 12... Solid electrolytic capacitor TI, T2 ...External connection terminal 1 2 Fig. 2 (cross section on line ■-■ in Fig. 1 (D)) Fig. 3 (cross section on line I [l-m in Fig. 1 (B)) Fig. 4 (conventional solid electrolytic capacitor)

Claims (2)

【特許請求の範囲】[Claims] 1.コンデンサ素子から引き出されている素子リードと
外部リードとの接続部を前記コンデンサ素子とともに外
装ケース内のモールド樹脂内に埋め込み、前記外部リー
ドに前記外装ケースの縁部を跨いで露出する湾曲部を形
成して外部接続用端子としたことを特徴とする固体電解
コンデンサ。
1. A connection portion between an element lead drawn out from a capacitor element and an external lead is embedded together with the capacitor element in a molded resin in an exterior case, and a curved portion is formed in the external lead to be exposed across an edge of the exterior case. A solid electrolytic capacitor characterized in that it is used as a terminal for external connection.
2.外部リードに外装ケースの縁部に嵌め込む湾曲部を
形成し、コンデンサ素子の素子リードと前記外部リード
とを接続した後、前記湾曲部を前記外装ケースの縁部に
嵌め込んで前記外装ケースに対して前記コンデンサ素子
の位置決めを行うことを特徴とする固体電解コンデンサ
の製造方法。
2. Forming a curved part on the external lead to fit into the edge of the outer case, and connecting the element lead of the capacitor element and the external lead, and then fitting the curved part into the edge of the outer case to fit the outer case. A method for manufacturing a solid electrolytic capacitor, characterized in that the capacitor element is positioned relative to the capacitor element.
JP1258480A 1989-10-03 1989-10-03 Solid electrolytic capacitor and method of manufacturing the same Expired - Fee Related JP2901281B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1258480A JP2901281B2 (en) 1989-10-03 1989-10-03 Solid electrolytic capacitor and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1258480A JP2901281B2 (en) 1989-10-03 1989-10-03 Solid electrolytic capacitor and method of manufacturing the same

Publications (2)

Publication Number Publication Date
JPH03120711A true JPH03120711A (en) 1991-05-22
JP2901281B2 JP2901281B2 (en) 1999-06-07

Family

ID=17320798

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1258480A Expired - Fee Related JP2901281B2 (en) 1989-10-03 1989-10-03 Solid electrolytic capacitor and method of manufacturing the same

Country Status (1)

Country Link
JP (1) JP2901281B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0284317U (en) * 1988-12-20 1990-06-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0284317U (en) * 1988-12-20 1990-06-29

Also Published As

Publication number Publication date
JP2901281B2 (en) 1999-06-07

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